Perform DCache all related API test such as Xil_DCacheFlush and Xil_DCacheInvalidate.
This test function writes a constant value to the Data array, flushes the DCache, writes a new value, then invalidates the DCache.
Prototype
s32 Xil_TestDCacheAll(void);
Returns
- 0 is returned for a pass
- -1 is returned for a failure